HP shows off new 21.5-inch AIO running on Android

The 21.5-inch tablet has a 1080p touchscreen, runs Android 4.2.2 and is powered by a Nvidia Tegra 4 quad-core processor.

"Customers are looking for technology that simplifies their lives while keeping them connected to the entertainment they enjoy and the content they need," said Jun Kim, vice president and general manager, PC Displays and Accessories, HP. "The HP Slate21 allows families to easily access content through the cloud and enjoy it together on a large, interactive screen."

The company says the HP Slate21 All-in-One is expected to be available in the U.S. in September, with a starting price of $399.